Home / 3,014.96-4,160.80-1,688.96

Finding the Fourth Proportional to 3,014.96, 4,160.80 and 1,688.96

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Solution

The fourth proportional to 3,014.96, 4,160.80 and 1,688.96 is: 2,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.96 : 4,160.80 = 1,688.96 : x
  2. Step 2: Convert to fraction form
    3,014.96/4,160.80 = 1,688.96/x
  3. Step 3: Cross multiply
    3,014.96x = 4,160.80 × 1,688.96
  4. Step 4: Simplify right side
    3,014.96x = 7,027,424.77
  5. Step 5: Solve for x
    x = 7,027,424.77/3,014.96
  6. Step 6: Final answer
    x = 2,330.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.